Sussex information on the site is deemed reliable, but not guaranteed. Our Sussex stats, Sussex census, and Sussex information is aggregated from many different sources and may be dated. Currently, we have one hundred ninety-nine Sussex foreclosures of ninety-three thousand seventy Sussex, Delaware housing units housing units, of which sixty-two thousand five hundred seventy-seven are occupied, fifty thousand four hundred eighty-four are owner occupied, twelve thousand ninety-three are rented, thirty thousand four hundred ninety-three are vacant, and twenty-one thousand two hundred forty-two have mortgages. has sixty-two thousand five hundred seventy-seven households, and one hundred fifty-six thousand six hundred thirty-eight citizens.